Home » Test Prep » ACT Section 2: Math » Which of the following is an irrational number?
Which of the following is an irrational number?
A.
B. 4-3
C.
D.
E.
Correct Answer: E
Explanation/Reference:
Explanation:
An irrational number is a number that cannot be expressed as a repeating or terminating decimal.
. √2 cannot be expressed as a repeating or terminating decimal, therefore, 128√2 is an irrational number.
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